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Finding the Fourth Proportional to 118,590.48, 177,709.68 and 65,927.52

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Solution

The fourth proportional to 118,590.48, 177,709.68 and 65,927.52 is: 98,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,590.48 : 177,709.68 = 65,927.52 : x
  2. Step 2: Convert to fraction form
    118,590.48/177,709.68 = 65,927.52/x
  3. Step 3: Cross multiply
    118,590.48x = 177,709.68 × 65,927.52
  4. Step 4: Simplify right side
    118,590.48x = 11,715,958,482.39
  5. Step 5: Solve for x
    x = 11,715,958,482.39/118,590.48
  6. Step 6: Final answer
    x = 98,793.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.